#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 1000007
#define INF 1000000000000000000
//#define ll long long
///#define cin fin
///#define cout fout
#define fi first
#define se second
using namespace std;
double const EPS = 1e-14;
///ofstream fout("herding.out");
///ifstream fin("herding.in");
const int Max = 1e6 + 5;
const int M = 1e6;
int ans[Max];
int main()
{
ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
int n, m; cin >> n >> m; int arr[n];
for(int i = 0; i < n; i++) cin >> arr[i];
for(int i = 1; i < n; i++) {
if(arr[i-1] < arr[i]) {
for(int j = arr[i-1]; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = arr[i]+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
}
else {
for(int j = arr[i]; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = arr[i-1]+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
}
}
while(m--) {
int ty; cin >> ty;
if(ty == 1) {
int pos, val; cin >> pos >> val;
pos--;
if(pos > 0) {
if(arr[pos-1] < arr[pos]) {
for(int j = arr[pos-1]; j <= M; j += -j&j) {
ans[j] -= 1;
}
for(int j = arr[pos]+1; j <= M; j += -j&j) {
ans[j] += 1;
}
} else {
for(int j = arr[pos]; j <= M; j += -j&j) {
ans[j] -= 1;
}
for(int j = arr[pos-1]+1; j <= M; j += -j&j) {
ans[j] += 1;
}
}
if(arr[pos-1] < val) {
for(int j = arr[pos-1]; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = val+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
} else {
for(int j = val; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = arr[pos-1]+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
}
}
if(pos < n-1) {
if(arr[pos+1] < arr[pos]) {
for(int j = arr[pos+1]; j <= M; j += -j&j) {
ans[j] -= 1;
}
for(int j = arr[pos]+1; j <= M; j += -j&j) {
ans[j] += 1;
}
} else {
for(int j = arr[pos]; j <= M; j += -j&j) {
ans[j] -= 1;
}
for(int j = arr[pos+1]+1; j <= M; j += -j&j) {
ans[j] += 1;
}
}
if(arr[pos+1] < val) {
for(int j = arr[pos+1]; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = val+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
} else {
for(int j = val; j <= M; j += -j&j) {
ans[j] += 1;
}
for(int j = arr[pos+1]+1; j <= M; j += -j&j) {
ans[j] -= 1;
}
}
}
arr[pos] = val;
}
else {
int h; cin >> h; int sum = 0;
for(int j = h; j > 0; j -= -j&j) {
sum += ans[j];
}
cout << sum << endl;
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
3 ms |
4052 KB |
Output is correct |
3 |
Correct |
2 ms |
3924 KB |
Output is correct |
4 |
Correct |
2 ms |
4052 KB |
Output is correct |
5 |
Correct |
3 ms |
3924 KB |
Output is correct |
6 |
Correct |
3 ms |
4052 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
3 ms |
4052 KB |
Output is correct |
3 |
Correct |
2 ms |
3924 KB |
Output is correct |
4 |
Correct |
2 ms |
4052 KB |
Output is correct |
5 |
Correct |
3 ms |
3924 KB |
Output is correct |
6 |
Correct |
3 ms |
4052 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
33 ms |
852 KB |
Output is correct |
9 |
Correct |
38 ms |
5152 KB |
Output is correct |
10 |
Correct |
39 ms |
5128 KB |
Output is correct |
11 |
Correct |
31 ms |
884 KB |
Output is correct |
12 |
Correct |
35 ms |
1336 KB |
Output is correct |
13 |
Correct |
37 ms |
1324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
3 ms |
4052 KB |
Output is correct |
3 |
Correct |
2 ms |
3924 KB |
Output is correct |
4 |
Correct |
2 ms |
4052 KB |
Output is correct |
5 |
Correct |
3 ms |
3924 KB |
Output is correct |
6 |
Correct |
3 ms |
4052 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
33 ms |
852 KB |
Output is correct |
9 |
Correct |
38 ms |
5152 KB |
Output is correct |
10 |
Correct |
39 ms |
5128 KB |
Output is correct |
11 |
Correct |
31 ms |
884 KB |
Output is correct |
12 |
Correct |
35 ms |
1336 KB |
Output is correct |
13 |
Correct |
37 ms |
1324 KB |
Output is correct |
14 |
Correct |
46 ms |
4888 KB |
Output is correct |
15 |
Correct |
55 ms |
4824 KB |
Output is correct |
16 |
Correct |
47 ms |
4808 KB |
Output is correct |
17 |
Correct |
54 ms |
4812 KB |
Output is correct |
18 |
Correct |
48 ms |
4888 KB |
Output is correct |